<!-- 定义导航栏 -->
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
  <div class="container">

    <!-- 导航栏商标 -->
    <a class="navbar-brand" href="#">我的博客</a>

    <!-- 导航入口 -->
    <div>
      <ul class="navbar-nav">
        <!-- 条目 -->
{#          <li class="nav-item">#}
{#              <a class="nav-link" href="{% url 'article:article_create' %}">写文章</a>#}
{#          </li>#}
        <li class="nav-item">
            <a class="nav-link" href="{% url 'article:article_list' %}">文章</a>
        </li>
          <!-- Django的 if 模板语句 -->
    {% if user.is_authenticated %}
        <!-- 如果用户已经登录，则显示用户名下拉框 -->
        <li class="nav-item dropdown">
            <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">

                <!-- 新增代码，小红点 -->
                {% if unread_count %}
                    <svg viewBox="0 0 8 8"
                         width="8px"
                         height="8px">
                        <circle cx="4"
                                cy="4"
                                r="4"
                                fill="#ff6b6b"
                                ></circle>
                    </svg>
                {% endif %}

                {{ user.username }}
            </a>
            <div class="dropdown-menu" aria-labelledby="navbarDropdown">
                <!-- 新增 -->
                <!-- 新增代码，通知计数 -->
                <a class="dropdown-item" href="#">通知
                    {% if unread_count %}
                    <span class="badge badge-danger">{{ unread_count }}</span>
                    {% endif %}
                </a>
                <a class="dropdown-item" href='{% url 'article:article_create' %}'>写文章</a>
                <a class="dropdown-item" href='{% url "userprofile:edit" user.id %}'>个人信息</a>
              <a class="dropdown-item" href="#" onclick="user_delete()">删除用户</a>
              <a class="dropdown-item" href="{% url 'userprofile:logout' %}">退出登录</a>
            </div>
        </li>
    <!-- 如果用户未登录，则显示 “登录” -->
    {% else %}
        <li class="nav-item">
            <a class="nav-link" href="{% url 'userprofile:login' %}">登录</a>
        </li>
    <!-- if 语句在这里结束 -->
    {% endif %}
      </ul>
    </div>

  </div>
</nav>
<!-- 新增 -->
{% if user.is_authenticated %}
<form
    style="display:none;"
    id="user_delete"
    action="{% url 'userprofile:delete' user.id %}"
    method="POST"
>
{% csrf_token %}
    <button type="submit">发送</button>
</form>
    <script>
        function user_delete() {
            // 调用layer弹窗组件
            layer.open({
                title: "确认删除",
                content: "确认删除用户资料吗？",
                yes: function(index, layero) {
                    $('form#user_delete button').click();
                    layer.close(index);
                },
            })
        }
    </script>
{% endif %}